Kar'tuk, Center of the Unknown

{1}: Put a permanent that you control onto
Kar'tuk, Center of the Unknown.It cannot
use any abilities until it is taken off.
{1}: Take a permanent off of Kar'tuk, Center
of the Unknown.
{t}: Deal damage equal to the number of cards on
Kar'tuk, Center of the Unknown, divided the
number of permanents not on it under your
control.If there are no permanents under your
control that aren't on the Kar'tuk, you cannot
take damage this turn.